[jira] [Commented] (SOLR-7379) CompositeSpatialStrategy FieldType

["David Smiley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-7379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490375#comment-14490375 ] 

David Smiley commented on SOLR-7379:
------------------------------------

This one will be a tad more interesting than simply extending the abstract spatial field type as it should have these features:
* reference RPT field type via dynamicField pattern or no asterisk for explicitly referencing an existing field.  createField should probably route through the other field Type (like a kind of internal copyField) or maybe it's overkill and could simply call the createField on the underlying Strategy.
** Come to think of it, BBoxField & PointVector ought to be able to work similarly (reference field completely instead of by pattern) but that's not part of this issue.
** note: SDV (SerializedDVStrategy) probably doesn't deserve it's own field type but we can internally create one.
* SerializedDVStrategy could be subclassed to override makeShapeValueSource to be backed by a SolrCache.
** We could cast to JtsGeometry if possible to call index() which uses JTS PreparedGeometry to speedup the checks.  When it first puts it into the cache it might not do this but on successfull fetch from the cache it could do this -- which has no effect if it's already cached. It's thread-safe.

> CompositeSpatialStrategy FieldType
> ----------------------------------
>
>                 Key: SOLR-7379
>                 URL: https://issues.apache.org/jira/browse/SOLR-7379
>             Project: Solr
>          Issue Type: New Feature
>          Components: spatial
>            Reporter: David Smiley
>            Assignee: David Smiley
>             Fix For: 5.2
>
>
> We should add a Solr spatial FieldType that uses the new CompositeSpatialStrategy. Essentially this enabled geometry backed shapes for accuracy combined with the grid indexes of RPT for speed.



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